Mary Clare Masters, MD
Infectious Disease Physician · Bronx, NY
Mary Clare Masters, MD is an infectious disease physician with a practice address in Bronx, New York, and NPI 1811300734, issued on Jun 9, 2014. Check the license (New York 333245, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Mary Clare Masters
- Credential
- MD
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License numbers
- 333245 NY
036142343 IL
125064674 IL
Self-reported in NPPES; status is on the state search - Practice location
- 3444 Kossuth Ave, Bronx, NY 10467
- Phone
- (718) 920-8542
- Enumerated
- Jun 9, 2014
- Record last updated
- Dec 10, 2024
- Medicare enrollment
- Enrolled (PECOS I20250226000241); may accept Medicare assignment
- Medical or professional school
- Washington University School Of Medicine, 2014
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 970 in New York → Look up another NPI →
Also registered at 3444 Kossuth Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mary Clare Masters in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 333245Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% fewer Medicare Part D claims than the average infectious disease physician in 2024
131 Medicare Part D claims for 13 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D.
Most prescribed
- Genvoya16 claims
- Biktarvy12 claims
- Combivent Respimat12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 94.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
One hospital affiliation
- Montefiore Medical CenterBronx, NY · Acute Care Hospitals3 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Mary Clare Masters among 970 infectious disease physician records in New York
Mary Clare Masters, MD is one of 970 infectious disease physician records with a practice address in New York. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 81% of them.
- NPI issued2014 · 81% of these records are older, 16% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2014 · median 2002 among the 624 with a school on file
- Record last updated2024 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in New York
There are 970 infectious disease physician records in New York.
All 970 in New York → Every provider in Bronx → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Jacqueline Achkar, MDBronx, NY 104671750488573
- Peter Alpert, MDBronx, NY 104671104916907
- Brian Currie, MDBronx, NY 104671548359961
- Robert Grossberg, MDBronx, NY 104671538259338
- Andrea Howard, MDBronx, NY 104671588754329
- Gary Kalkut, MDBronx, NY 104671124103999
- Ira Leviton, MDThe Bronx, NY 104671861581191
- Grace Minamoto, MDBronx, NY 104671891885505
Common questions
What is Mary Clare Masters, MD's NPI number?
Mary Clare Masters, MD's National Provider Identifier (NPI) is 1811300734, issued on Jun 9, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Mary Clare Masters, MD located?
The NPPES record lists a practice address at 3444 Kossuth Ave, Bronx, NY, 10467. Phone: (718) 920-8542. Providers update this record themselves, so call before visiting.
How can I verify Mary Clare Masters, MD's license?
NPPES lists New York license number 333245, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mary Clare Masters, MD prescribe under Medicare Part D?
In 2024, Mary Clare Masters, MD had 131 Medicare Part D claims for 13 beneficiaries; the average among infectious disease physician prescribers was 689. Part D covers Medicare prescriptions only.
What is Mary Clare Masters, MD's MIPS final score?
The 2023 MIPS final score is 94.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.